A. The workers have called off the strike
B. The workers were called off the strike
C. The workers are calling off the strike
D. The workers had called off the strike
🧠 Explanation:
The active form of “The strike has been called off by the workers” is “The workers have called off the strike.” For English students, this highlights voice transformation, making it a key topic for studying grammar, sentence structure, and linguistic clarity. Active voice enhances directness. Understanding this ensures grammatical accuracy. It’s essential for mastering sentence construction in writing or speaking. Studying voice changes offers insights into how language conveys action, crucial for English, journalism, and communication, ensuring clear expression in various contexts.